Home / 8,980.14-12,395.45-6,146.46

Finding the Fourth Proportional to 8,980.14, 12,395.45 and 6,146.46

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Solution

The fourth proportional to 8,980.14, 12,395.45 and 6,146.46 is: 8,484.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.14 : 12,395.45 = 6,146.46 : x
  2. Step 2: Convert to fraction form
    8,980.14/12,395.45 = 6,146.46/x
  3. Step 3: Cross multiply
    8,980.14x = 12,395.45 × 6,146.46
  4. Step 4: Simplify right side
    8,980.14x = 76,188,152.97
  5. Step 5: Solve for x
    x = 76,188,152.97/8,980.14
  6. Step 6: Final answer
    x = 8,484.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.